Slipper



FIG. 1 is a front perspective view of a slipper showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines shown on the surface of the slipper represent claimed stitching. 

CLAIM The ornamental design for a slipper, as shown and described. 